CI: fix the check for bad promoted files

.github/workflows/harness.yml

@@ -88,7 +88,9 @@ jobs:
       options: --user ocaml
     steps:
       - name: Check promoted files
-        run: cd /home/ocaml/catala && opam exec -- make check-promoted
+        run: |
+          cd /home/ocaml/catala && opam exec -- make check-promoted
+          git diff --exit-code
       - name: Run tests
         if: ${{ always() }}
         run: cd /home/ocaml/catala && opam exec -- make tests

compiler/lcalc/closure_conversion.ml

@@ -294,14 +294,15 @@ let transform_closures_scope_let ctx scope_body_expr =
            { ctx with name_context = Bindlib.name_of var_next })
           scope_let.scope_let_expr
       in
-      var_next,
-      Bindlib.box_apply (fun scope_let_expr ->
+      ( var_next,
+        Bindlib.box_apply
+          (fun scope_let_expr ->
             {
               scope_let with
               scope_let_expr;
               scope_let_typ = Mark.copy scope_let.scope_let_typ TAny;
             })
-        (Expr.Box.lift new_scope_let_expr))
+          (Expr.Box.lift new_scope_let_expr) ))
     ~last:(fun res ->
       let _free_vars, new_scope_let_expr = (transform_closures_expr ctx) res in
       (* INVARIANT here: the result expr of a scope is simply a struct

compiler/verification/conditions.ml

@@ -403,7 +403,8 @@ let generate_verification_conditions_code_items
                     (* We don't need to add the typ of the scope input var here
                        because it will never appear in an expression for which
                        we generate a verification conditions (the big struct is
-                       destructured with a series of let bindings just after.) *);
+                       destructured with a series of let bindings just
+                       after.) *);
                 }
               in
               let _, vcs, asserts =